If 42 J heat is transferred to the system and the work done by the system is 32 J then what will be the change in internal energy
Question # 2
The instrument used to gather information form the far side of the universe is
Question # 3
The property of light which does not change with the nature of the medium is:
Question # 4
NmA-1 is commonly called:
Question # 5
The energy is found from Einstein's mass energy relation is called
Question # 6
The waves produced in a microwave oven have wavelength.
Question # 7
A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)
Question # 8
At low speeds, the drag force is
Question # 9
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then
Question # 10
A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
Question # 11
We can express the work in term of
Question # 12
The magnetism produced by electrons within an atom can arise from
Question # 13
Acceleration of the mass at any instant is given by
Question # 14
The dot product of electric field intensity E and vector area A is called
Question # 15
Blood is an
Question # 16
Fluid friction is _____ the friction between two solid surfaces:
Question # 17
How many isotopes of helium are present?
Question # 18
Centripetal acceleration is also called ______ acceleration:
Question # 19
When a body moves against the force of friction on a horizontal plane, the work done by the body is:
Question # 20
Which of the following is not mechanical wave?
Question # 21
An ambulance moves around a large round-about with its sirens on . For a person standing at the center of the round about, the frequency of ambulance siren heard will be.
Question # 22
The current that
flows through the coil of a motor causes:
Question # 23
Which one of the following is not a vector quantity?
Question # 24
If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term
Question # 25
A physical system under going forced vibrations is known as
Question # 26
Tick the correct pair when M denotes the molecular mass and other symbols carry usual meanings:
Question # 27
Significant figures in 0.0010 are:
Question # 28
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 29
The value of the plank's constant 'h' is given by
Question # 30
An angle of 180° in circular motion is equivalent to ______ in SHM.
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